Heat Transfer Heat transfer efficiency leading of energy conservation in a heat exchanger can be achieved by None of these Increasing the tube length Enhancing the fluid pumping rate Keeping the heat transfer surface clean None of these Increasing the tube length Enhancing the fluid pumping rate Keeping the heat transfer surface clean ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Grashoff number, which is defined as g . β(Ts - T∞) ρ². L³/μ², is proportional to the ratio of buoyancy force to __________ force. None of these Viscous Elastic Inertial None of these Viscous Elastic Inertial ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The separation of liquid droplets from the vapor is done by a/an __________ , in the evaporators. Compressor Entrainment separator Vacuum pump Steam ejector Compressor Entrainment separator Vacuum pump Steam ejector ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat transfer by conduction in the turbulent core of a fluid flowing through a heated pipe is negligible, if the value of Prandtl number is 0.2 0.8 0.6 0.4 0.2 0.8 0.6 0.4 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A measure of the extent to which viscous heating is important relative to the heat flow resulting from the impressed temperature difference is represented by the __________ number. Stantan Brinkman Condensation Grashoff Stantan Brinkman Condensation Grashoff ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer With increase in temperature, the total emissivity of conductors Decreases Remains same Increases Decreases linearly Decreases Remains same Increases Decreases linearly ANSWER DOWNLOAD EXAMIANS APP
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